def qwtPathGraphic(path, pen, brush): graphic = QwtGraphic() graphic.setRenderHint(QwtGraphic.RenderPensUnscaled) painter = QPainter(graphic) painter.setPen(pen) painter.setBrush(brush) painter.drawPath(path) painter.end() return graphic
def qwtDrawBackground(painter, canvas): painter.save() borderClip = canvas.borderPath(canvas.rect()) if not borderClip.isEmpty(): painter.setClipPath(borderClip, Qt.IntersectClip) brush = canvas.palette().brush(canvas.backgroundRole()) if brush.style() == Qt.TexturePattern: pm = QPixmap(canvas.size()) QwtPainter.fillPixmap(canvas, pm) painter.drawPixmap(0, 0, pm) elif brush.gradient(): rects = [] if brush.gradient().coordinateMode() == QGradient.ObjectBoundingMode: rects += [canvas.rect()] else: rects += [painter.clipRegion().rects()] useRaster = False if painter.paintEngine().type() == QPaintEngine.X11: useRaster = True if useRaster: format_ = QImage.Format_RGB32 stops = brush.gradient().stops() for stop in stops: if stop.second.alpha() != 255: format_ = QImage.Format_ARGB32 break image = QImage(canvas.size(), format_) p = QPainter(image) p.setPen(Qt.NoPen) p.setBrush(brush) p.drawRects(_rects_conv_PyQt5(rects)) p.end() painter.drawImage(0, 0, image) else: painter.setPen(Qt.NoPen) painter.setBrush(brush) painter.drawRects(_rects_conv_PyQt5(rects)) else: painter.setPen(Qt.NoPen) painter.setBrush(brush) painter.drawRects(_rects_conv_PyQt5(painter.clipRegion().rects())) painter.restore()